(x-1)^2 = (14-x)^2(x-1)(x-1) = (14-x)(14-x)x^2 - 2x + 1 = 196 - 28x + x^22x - 28x = 196 - 1-26x = 195x = -195/26
Проверка:(-195/26 - 1)^2 = (14 + 195/26)^2(-221/26)^2 = (364/26)^2(221^2 / 26^2) = (364^2 / 26^2)221^2 = 364^248741 = 132496
Ответ: x = -195/26.
(x-1)^2 = (14-x)^2
(x-1)(x-1) = (14-x)(14-x)
x^2 - 2x + 1 = 196 - 28x + x^2
2x - 28x = 196 - 1
-26x = 195
x = -195/26
Проверка:
(-195/26 - 1)^2 = (14 + 195/26)^2
(-221/26)^2 = (364/26)^2
(221^2 / 26^2) = (364^2 / 26^2)
221^2 = 364^2
48741 = 132496
Ответ: x = -195/26.